A nation that can't control its energy sources can't control its future.

Hope -- Hope in the face of difficulty. Hope in the face of uncertainty. The audacity of hope! In the end, that is God’s greatest gift to us...A belief in things not seen. A belief that there are better days ahead.

If 90 percent or 95 percent of those - chemical stockpiles [in Syria] were eliminated, that's a lot of chemical weapons that are not right now in the hands of ISIL or Nusra or, for that matter, the regime.

My top priority in any trade negotiation is expanding opportunity for hardworking Americans. It's no secret that past trade deals haven't always lived up to their promise, and that's why I will only sign my name to an agreement that helps ordinary Americans get ahead, the bill put forward today would help us write those rules in a way that avoids the mistakes from our past, seizes opportunities for our future and stays true to our values.

You have countries like India that have tried to help untouchables, with essentially affirmative-action programs, but it hasn't fundamentally changed the structure of their societies.

America's not just [about] looking out for yourself, it's not just about greed, it's not just about trying to climb to the very top and keep everybody else down. ... Hard work, that's a value. Looking out for one another, that's a value. The idea that we're all in it together and [that] I'm my brother's keeper and [my] sister's keeper, that's a value.

I am living testimony to the moral force of non-violence. I know there's nothing weak - nothing passive - nothing naïve - in the creed and lives of Gandhi and King.